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Home > Storage > Unity XT > Virtualization, Cloud & Applications > Dell Unity XT: Oracle Database Best Practices > NFS traffic
Generally, NFS traffic can be classified as control/management traffic or I/O traffic on application data. Whether the Oracle ODM NFS client library is enabled, Linux’s kernel NFS client driver (kNFS) manages the control/management of NFS devices. When the ODM library is enabled, the Oracle environment is said to be using Oracle Direct NFS (dNFS) and all database I/O, NFS data traffic, flows through the dNFS driver. When the ODM library containing the embedded Oracle NFS client is disabled, all database I/O flows through the kNFS driver: